Functions
INSYS Pocket ISDN
48
10.11
User-to-User-Signalling (UUS1)
The transmission of User-to-User data (UUS1-data) can be performed for incoming
and outgoing calls using the additional ISDN service UUS1. The UUS1 data are
sent transparently from the calling side to the called side before the B channel
connection is established completely.
Please note that this ISDN service has to be enabled by the ISDN service provider
usually. It might be possible that additional fees incur.
Configuration with AT commands
In order to enable the display of the UUS1
data, use the command
ATW1
In order to transmit UUS1 data to the called
remote terminal, use the command
Replace
<number>
with the phone number
of the remote terminal.
Replace
<UUS1-data>
with the data to be
transmitted. The UUS1 data has a
maximum length of 128 bytes and is
interpreted as ASCII characters.
ATD<number>//<UUS1-
data>
Incoming UUS1 data are displayed as
extensions of the messages
RING
and
CONNECT
RING <number>//<UUS1-
data>
CONNECT <num-
ber>//<UUS1-data>
